BS ISO 8504-4:2022
$102.76
Preparation of steel substrates before application of paints and related products. Surface preparation methods – Acid pickling
| Published By | Publication Date | Number of Pages |
| BSI | 2022 | 16 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 General 4.1 Pickling liquid 4.1.1 Requirements to the chemical materials 4.1.2 Requirements to the formulation and process conditions of a pickling liquid 4.1.3 Example of formulation and process conditions of a pickling liquid 4.2 General requirements 4.2.1 Requirements to the bath equipment materials 4.2.2 Requirements to the bath analysis 4.3 Health and safety |
| 11 | 5 Method of acid pickling 5.1 Procedure for acid pickling 5.2 Preparation 5.3 Degreasing 5.3.1 Components and conditions |
| 12 | 5.3.2 Immersion method 5.3.3 Part placement 5.3.4 Immersion time 5.3.5 Process temperature 5.4 Fresh water rinsing and/or washing 5.4.1 Fresh water rinsing process 5.4.2 Rinsing water temperature 5.4.3 Fresh water washing process 5.5 Pickling 5.5.1 Immersion requirement 5.5.2 Part placement 5.5.3 Immersion time 5.5.4 Process temperature |
| 13 | 5.6 Post treatment 5.6.1 Conversion layer 5.6.2 Surface neutralization 5.6.3 Improvement of the phosphate layer 5.6.4 Quality check and assurance 5.6.5 Drying 6 Assessment of cleaned surface |
| 14 | Annex A (informative) Formulation and condition of common process liquids |
| 15 | Bibliography |
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